html,
  body {
    height: 100%;
    width: 100%;
    margin: 0;
  }

  img {
    width: 100%;

  }

  .nav-container>span {
    font-size: 14px;
    font-weight: 600;
    padding-left: 50px;
  }

  .login-register {
    right: 200px;
    position: absolute;
    top: 25px;
    height: 60px;
    background-color: #b0e1fd;
    display: inline-block;

  }

  .login {
    padding: 0;
    margin: 0;
    border: 0;
    display: inline-block;
    height: 30px;
    border-radius: 30px 0 0 30px;
    background-color: #e4f5ff;
    line-height: 30px;
    width: 62px;
    position: absolute;
    top: 0;
  }

  .register {
    padding: 0;
    margin: 0;
    border: 0;
    display: inline-block;
    height: 30px;
    border-radius: 0 30px 30px 0;
    background-color: #e4f5ff;
    line-height: 30px;
    width: 62px;
    position: absolute;
    top: 0;
    left: 62px;
  }
  .login-register>span{
    color: #51b8f2;
    font-size: 12px;
    padding: 0;
    margin: 0;
    position: absolute;
    top: -26.5px;
    left: 60px;
    float: none;
    z-index: 100;
  }
  .login span{
    padding-left: 20px; 
    color: #51b8f2; 
    font-size: 12px;
  }
  .register span{
    padding-left: 15px;
    color: #51b8f2; 
    font-size: 12px;
  }
  i{
    
    position: absolute; 
    z-index: 310;
    right: 5px;
    top: 1px; 
  }
  #login_win{
    z-index: 200;
     background-color: white; 
     width: 380px; 
     position: absolute;
     top:120px; left: 35%;
     display: none;
  }
  #register_win{
    z-index: 200;
    background-color: white;
    width: 380px;
    position: absolute;
    top:25px;
    left: 35%;
    display: none;
  }